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4
Content available Mykobakteriozy u psów i kotów
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5
Content available Cytopathology of canine lymphomas (100 cases)
51%
EN
Malignant lymphoma is one of the most common malignant tumours occurring in dogs. Fine needle aspiration biopsy (FNAB) is an excellent, specific diagnostic procedure used to assess pathological processes in lymph nodes. The aim of the present study was to conduct a cytopathological analysis of lymphoma in dogs and to analyse some epidemic aspects of occurrence of lymphoma in 100 dogs using Giemsa stained slides. Samples were obtained by fine needle aspiration biopsy, fine needle non-aspiration biopsy, lymph node impression smears and by examination of body cavity effusions. The determination of the type and subtype of tumour was made on the basis of the updated Kiel classification adopted for dogs. Based on cytopathological analysis, the lymphoma was diagnosed in 100 dogs: 44 were female and 56 male. The animals’ age ranged from 1.5 year to 15 years (median: 7.5 years), the animals were of different breeds (72% of all dogs belonged to 28 different breeds) and crossbreeds (28%). In 29% of dogs the regional or general lymphadenomegaly was the only clinical sign observed, in remaining cases (71%) at least one abnormality connected to lymphoma was found. Among all diagnosed lymphomas, high-grade lymphomas were more prevalent (86% of all cases) than low-grade lymphomas (14% of all cases). The possibility of boxers having a predisposition to T cell lymphoma development could be also suspected.
EN
The aim of this study was to describe the case of a 5-year-old female Golden retriever with malignant lymphoma. The dog was presented to the veterinarian because of respiratory tract disorders, mainly respiratory distress. At first, pneumonia was suspected on the basis of imaging diagnostic results and the absence of malignant cells in material from a biopsy of the enlarged lymph nodes. Ultimately, bronchoscopy provided sufficient basis for the final diagnosis: malignant pulmonary lymphoma. Then it was possible to administer appropriate therapy, which prolonged the patient’s life for almost 3 years. The description of this case may be very useful for practitioners because of the uncommon course of the diagnostic and treatment process.
EN
Feline injection site sarcomas (FISS) are malignant neoplasms of mesenchymal origin which arise in sites of injections in cats. The prevalence is estimated between 1 in 1000 and 1 in 10 000 vaccinations in the United Kingdom. The aim of this study was to estimate the incidence of FISS in Poland and to analyse clinical aspects and histological and cytological features of injection site sarcomas. In our study the prevalence of FISS was 0.16% (16 FISS on 10.000 of cats) in feline patients in one of a veterinary surgery which conducts the general practice and 85 on 10.000 cats in a practice focused on veterinary oncology. The most typical microscopic features of FISS found in the present analysis were: the presence of perilesional scarring and inflammation, aggregates of lymphocytes at the tumour periphery, moderate but usually marked cellular pleomorphism and intralesional necrosis. The most typical cytologic features of FISS found in present study were: the presence of neutrophils, marked cellular pleomorphism, the presence of lymphocytes and macrophages, the presence of extremely large nuclei in the neoplastic cells, and high sample cellularity.
EN
Fainting is a symptom of transient, spontaneous blackout. The mechanism underlying fainting is a transient, generalized decrease in brain perfusion. Fainting can be the after-effect of arrhythmias. The aim of the research was to determine the usefulness of the loop recorder Reveal Plus for the diagnosis of fainting in dogs. The loop recorder was implanted in a 5-month-old male Tibetan Mastiff, for whom other methods did not allow for the explanation of the etiology of his fainting. Episodes of supraventricular tachycardia were diagnosed. The loop recorder Reveal Plus is a device that makes it possible to determine the arrhythmic component of fainting and is useful for the diagnosis of fainting in dogs.
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